Kaoru Momota, a young man in high school, intervened when Hime Orihara, a fellow high school student, was being sexually harassed on a train. As a result, they both developed an attraction to each other. However, Hime carried a secret that was too difficult to disclose. She finally confessed, "I'm actually 27 years old." The revelation shocked Kaoru, as he discovered that Hime was actually a woman who was much older than he thought.
A woman named Mieko, is in her late twenties exhausted by her busy everyday life, catches a glimpse of students enjoying their youth and suddenly recalls her own younger days. Driven by alcohol, she puts on that sailor uniform and ventures out to a park in the middle of the night. There, she runs into an impossibly perfect, stunningly handsome young man. A painfully realistic life story, vividly brought to life by a rising talent with extraordinary skill!